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blk-mq: remove unused function blk_mq_queue_stopped() 

blk_mq_queue_stopped() doesn't have any caller, which was found by
code coverage test, thus remove it.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20220818063555.3741222-1-yukuai1@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Yu Kuai 2022-08-18 14:35:55 +08:00 committed by Jens Axboe
parent e6190dd003
commit a8239f0342
2 changed files with 0 additions and 21 deletions
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20
block/blk-mq.c
View File

@ -2229,26 +2229,6 @@ void blk_mq_delay_run_hw_queues(struct request_queue *q, unsigned long msecs)
}
EXPORT_SYMBOL(blk_mq_delay_run_hw_queues);
/**
* blk_mq_queue_stopped() - check whether one or more hctxs have been stopped
* @q: request queue.
*
* The caller is responsible for serializing this function against
* blk_mq_{start,stop}_hw_queue().
*/
bool blk_mq_queue_stopped(struct request_queue *q)
{
struct blk_mq_hw_ctx *hctx;
unsigned long i;
queue_for_each_hw_ctx(q, hctx, i)
if (blk_mq_hctx_stopped(hctx))
return true;
return false;
}
EXPORT_SYMBOL(blk_mq_queue_stopped);
/*
* This function is often used for pausing .queue_rq() by driver when
* there isn't enough resource or some conditions aren't satisfied, and

1
include/linux/blk-mq.h
View File

@ -857,7 +857,6 @@ void blk_mq_kick_requeue_list(struct request_queue *q);
void blk_mq_delay_kick_requeue_list(struct request_queue *q, unsigned long msecs);
void blk_mq_complete_request(struct request *rq);
bool blk_mq_complete_request_remote(struct request *rq);
bool blk_mq_queue_stopped(struct request_queue *q);
void blk_mq_stop_hw_queue(struct blk_mq_hw_ctx *hctx);
void blk_mq_start_hw_queue(struct blk_mq_hw_ctx *hctx);
void blk_mq_stop_hw_queues(struct request_queue *q);